电缆选型手册

#附录6电缆导体交流电阻及电感9(1)说明：1.导体工作温度根据IEC经验：经济电流运行为40℃,发热允许载流量运行对于PVC绝缘为70℃，XLPE绝缘为90℃。.B值系计及集肤效应和邻近效应的系数，摘自东北电力设计院资料。.感抗数据摘自《工业与民用配电设计手册》第二版(中国航空工业规划设计研究院等编)。面M3电宽里号菜昧打应泵费邻预应系数E值导体不同工作融他交靛用口此后上门,向140,C7D-CR*C1.300113.2121i68013.659W1W—50017527S90E5.3&50L004wivvy001495553355.87200P30WfYV股上D□13.3D3367D3.915□□G01077/77£..-10001L.9S2，.如2.3笔0.CB7比W/Wit-L60011.2391.3761.4680.CB225W/W亦竺0Q1口例0S81D9O007535W7W"-史001口.完口。0.671□OZi30vv/wit-x000101001口3R04410.473007270W/W1l-7300010000771.001770.2&4031J0336□05995VV/Wit-95□occ0D01100302EP口受D.348□Ct0E0VWW"D00003□0019100490.16501B40.1970039150VV/VV^-150000500031100810.1330148D.15BOCTOISOVWVV/1S5口007□□05101201110124□132□070240WA%二羽0013口00881021S0.0&40.100口CTO300W/WS1-3GO□0190D13100200®00^D.061平均值1005S附录6电缆导体交流电阻及电感9(2)2YJV7YJV二型电缆电蜿钱面min2电境型号集欣效应系数邻近效应系散日但导体不同工作温度的交流电阻口Rm感抗.口！40,C■7TC如£6k\tni10kV25YJV/YJV220010.7^30魅］0.9400.111013035YJVYJV=20010.5660.6290.6710.10S0JB50YJV..YJV220.00101.00103970.4410.4700.0990.10770YTVZYJV230.0010,0W771,001770.2840J15。;汨0,0930,10195YJVZYJV二20.0020.0011100310209023302480.0890096120YTV/YJVn0.00300015V0045016601&40,1970,0670,095150YW.TJV22O.OQS0.0031£,0081口」3301480.15800850.093ISOYJVfYJV”0.007O.OQS1.0110.1110.1240.1320.0&20.090240YJV..YJV220.0120.0091.0210.0840.0940.1000.0800.0S7300YJVZYJVS0.0130.0141.0330.0680.0760.081平均值1.00S4附录7铜芯电力电缆允许载流量表说明1.低压电缆允许载流量根据国家标准GB/T16895.15-2002,等效于IEC60364-5-523:1999.敷设方式代号:A2--热绝缘墙中导管内，B2—木质墙上导管内，C--木质墙上，D--埋地的管导内，E一自由空气中。.导体温度：PVC为70℃，XLPE为90℃。环境温度30℃（空气），20℃（埋地）。2.中压XLPE绝缘电缆允许载流量根据上海电缆研究所资料。S.mtn2低压PVC维獴三芯负荷低压YLPE绝缘三芯负荷中压MLPE绝线三芯负荷敷设方式敷设方式A2B2CDEA2B2CDE空气埋地15131517.5181S.516.519.5个今今今232517.52024242526302932423273231343035403742629344139433844524654103946575260516071617516526276678068809679100256S80968610189105119101127121963583991191CB12610912814712215815011650991181441221531301541791441921K213770125149184151196161m3178246234169951501792231792381972332782112982832001201722062592(8276227268322240346329228150196299230319259371271399379257185223341258364295424304456433289240261403297430346500351538511334300298464336497396576396621590376附录8损耗费用辅助量F—Tmax—P关系的统计值(h)T『•「F值,（元™0100020003000400050006000700080008500600100016002400340045005800735080000.212.5015,1919.2224.6031.3238.7247.4557.8761240.314.5218.5524.6032.6742.7553.8466.95B2.5789.130.4165321.3129.9840.7354.17第%86.44107.27116.010.5185525.2735.354B,8065.6084.09105.93131.98142.900.722.5831.9946.1164.9338.45工1433144.91181.38196.67LO2s,6342OS62.248913122.73159.7020J.39255.4S277.33注：P值单位为元,hvh附录9最大负载利用小时Tmax与最大负载损耗小时T和COS①的关系注：数据摘自《供用电技术》（中国科技大学出版社1992年版）年最大负荷损耗小时数t与年最大负荷利用小时数Tmax的关系

cosOT,(11)0.80.850.90.951.020001500120010008007002500170015001250110095030002000180016001400125035002350215020001800160040002750260024002200200045003150300029002,70025005000360035003400320030005500410040003950375036006000465046004500435042006500525052005100500048507000595059005800570056007500665066006550650064008000740073507250附录10不同行业的年最大负载利用小时Tmax,(h)注：本表部分数据摘自《工厂供电及例题》(同济大学出版社1987年版)行业名称Trnax,(h)行业名称Tmaxh(h)铝电解82CO建材工业6500有色金属电解7500纺织工业6000有色金属果选5800食品工业4500有老金属冶炼6S00电气化铁道6000黑色金属冶炼6500冷藏仓库4000煤炭工业6000城市生活用电2500石油工业7000农业灌溉2800化学工业7300一般仓库2000铁合金工业77D0农村企业3500机械制造工业5000农村照明1500九、参考资料.国际电工委员会标准：《电力电缆尺寸的经济最佳化》IEC287-3-2/1995.《导体的经济电流密度》专题报告西北电